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Income Taxes (Detail) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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| Deferred Tax Assets, Net of Valuation Allowance [Abstract] | ||
| Net operating loss carryforwards | $ 31,450 | $ 19,572 |
| Amortization of up-front fees | 2,865 | 3,087 |
| Amortization of in-process R&D | 460 | 407 |
| Stock compensation | 2,827 | 1,522 |
| Accruals and reserves | 854 | 622 |
| Tax credits | 2,686 | 991 |
| Total deferred tax assets | 41,142 | 26,201 |
| Valuation allowance | (41,142) | (26,201) |
| Net deferred tax assets | $ 0 | $ 0 |
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- Definition
Represent deferred tax assets amortization of in process research and development. No definition available.
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- Definition
Represent the amortization of up-front fees in deferred tax asset. No definition available.
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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